Deck 16: Biomechanics and Kinesiology

Question 1

Select the best definition of momentum.

A) Force $\times$ displacement/time
B) Force/area
C) Mass $\times$ velocity
D) Force $\times$ distance an object moves

Answer 1

Mass $\times$ velocity

Question 2

Which basic directional term means toward the surface (skin)of the body?

A) Superficial
B) Anterior
C) Proximal
D) Superior

Answer 2

Superficial

Question 3

Select the definition of Newton's second law of motion.

A) To every action there is always an opposite and equal reaction.
B) The change in motion is proportional to the force impressed and is made in the direction of the straight line in which that force is impressed.
C) A body remains in a state of rest unless it is compelled to change that state by forces impressed on it.
D) Forces responsible for equilibrium are concerned with a normal joint movement pattern.

Answer 3

The change in motion is proportional to the force impressed and is made in the direction of the straight line in which that force is impressed.

Question 4

Select the best definition of the term center of mass (COM).

A) The resistance an object offers to a change in its state of motion
B) The energy by virtue of an object's motion
C) The product of the force and the perpendicular distance from the line of action to the axis point
D) The point at which the weight and mass of an object are equally distributed or balanced in all directions

Question 5

In the correct anatomic position,which way do the palms of the hand face?

A) Front,toward the front of the body
B) Back,toward the back of the body
C) In,toward the thigh
D) None of the above

Question 6

Select the best definition of pressure (p).

A) Force $\times$ displacement/time
B) Force/area
C) Mass $\times$ velocity
D) Force $\times$ distance an object moves

Question 7

Select the definition of Newton's third law of motion.

A) To every action there is always an opposite and equal reaction.
B) The change in motion is proportional to the force impressed and is made in the direction of the straight line in which that force is impressed.
C) A body remains in a state of rest unless it is compelled to change that state by forces impressed on it.
D) Forces responsible for equilibrium are concerned with a normal joint movement pattern.

Question 8

Which of the following is an example of linear motion?

A) Rotation of the forearm about the elbow
B) Rotation of the shoulder in the golf swing
C) Doing a dumbbell curl with the arm
D) Swinging a tennis racket

Question 9

Which cardinal plane divides the body into front and back parts?

A) Transverse
B) Horizontal
C) Sagittal
D) Coronal

Question 10

Biomechanics helps the health professional understand the cause and severity associated with an injury.Which of the following is NOT a factor when determining this?

A) Magnitude
B) Location
C) Direction
D) Duration
E) Speed

Question 11

Which basic directional term means away from the midline of the body?

A) Superficial
B) Proximal
C) Lateral
D) Medial

Question 12

Select the best definition of kinetic energy (KE).

A) Energy generated by virtue of the position or shape of an object
B) The product of force and the perpendicular distance from the line of action to the axis point
C) Energy by virtue of an object's motion
D) Distribution of a force over a given area

Question 13

Which of the following injuries is caused by shear?

A) Stretching of the calf muscles during warm-up exercises
B) Vertebral disk problems occurring when lifting a dumbbell
C) Epiphyseal fractures in children
D) A and B

Question 14

Select the best definition of work (W).

A) Force $\times$ displacement/time
B) Force/area
C) Mass $\times$ velocity
D) Force $\times$ distance an object moves

Question 15

Which basic directional term means toward the feet?

A) Anterior
B) Posterior
C) Superior
D) Inferior

Question 16

Select the best definition of the term force (F).

A) The resistance an object offers to a change in its state of motion
B) The push or pull acting on an object
C) The amount of matter an object possesses within its physical boundaries
D) The point at which the weight and mass of an object are equally distributed or balanced in all directions

Question 17

What is the definition of Newton's first law of motion?

A) To every action there is always an opposite and equal reaction.
B) The change in motion is proportional to the force impressed and is made in the direction of the straight line in which that force is impressed.
C) A body remains in a state of rest unless it is compelled to change that state by forces impressed on it.
D) Forces responsible for equilibrium are concerned with a normal joint movement pattern.

Question 18

Select the best definition for the term mass (m).

A) The resistance that an object offers to a change in its state of motion
B) The push or pull acting on an object
C) The amount of matter an object possesses within its physical boundaries
D) The point at which the weight and mass of an object are equally distributed or balanced in all directions

Question 19

What is the definition of kinematics?

A) The study of applied human anatomy with that of mechanical physics
B) The branch of mechanics concerned with the analysis of loads on physical systems
C) The study of a body segment experiencing accelerations
D) The description of human motion in terms of position,velocity,and acceleration

Question 20

Which cardinal plane divides the body into right and left parts?

A) Transverse
B) Frontal
C) Sagittal
D) Horizontal